I always smile a bit when this particular topic comes up on HN.

The first time I saw it here, I noticed there was a lot of confusion about the traffic flow - so I drove to the one nearest me, popped up my drone, and got aerial video of a complete traffic cycle.

It's still in the article years later. It's weird to me to think that random thing I did on a lark is likely to be one of the more durable parts of my personal legacy.